issue_comments: 1210976795

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https://github.com/pydata/xarray/issues/6904#issuecomment-1210976795 https://api.github.com/repos/pydata/xarray/issues/6904 1210976795 IC_kwDOAMm_X85ILgob 1217238 2022-08-10T16:43:36Z 2022-08-10T16:43:36Z MEMBER

You might look into different multiprocessing modes: https://docs.python.org/3/library/multiprocessing.html#contexts-and-start-methods

It may also be that the NetCDF or HDF5 libraries were simply not written in a way that can support multi-processing. This would not surprise me.

BTW is there any advantage or difference in terms of cpu and memory consumption in opening the file only one or let it open by every process? I'm asking because I thought opening in every process was just plain stupid but it seems to perform exactly the same, so maybe I'm just creating a problem where there is none

I agree, maybe this isn't worth the trouble. I have not seen it done successfully before.

 
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